// ==UserScript==
// @name        Sakai PUTS
// @namespace   El_Naggar.Amin.Sakai
// @description This tool is meant to aid in the process of creating courses with tools/shortcuts to save time
// @include     https://owl.uwo.ca/portal/*
// @require		https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js
// @version     1.085
// ==/UserScript==
var name = "Sakai PUTS";
var preName = name + " - ";
var version = "1.085";
var nameVersion = preName + version;


var uw = (this.unsafeWindow) ? this.unsafeWindow : window;

function trace(message){	console.log(preName + message);		}

trace(nameVersion + " Loaded\t-\t" + (new Date().getTime() / 1000) );



waitForKeyElements (			//if in Resource Selector
	"th#item:contains('Items to attach')", 
	inResourceSelector,
	false,
	"iframe.portletMainIframe"
);

waitForKeyElements ( 			//if in Lesson Builder
	"ul#toolbar>li>a:contains('Add Resource')", 
	inLessonBuilder,
	false,
	"iframe.portletMainIframe"
);


function inResourceSelector(){
	trace("location: Resource Selector");
	
	var button = $("iframe.portletMainIframe").contents().find ("input#attachButton.active");

	if(button.length > 0){
		trace("Clicking continue button in resource selector");
		button.click();
	}
}

function inLessonBuilder(jNode){
	jNode = jNode.parent();
	trace("location: Lesson Builder");
	createExistingResource(jNode);
	
}




function createExistingResource(jNode){
	jNode.after(funcAnchLi("existingResourceClicked();","Add Existing Resource"));
}


uw.existingResourceClicked = function() {	existingResourceClicked();	};
function existingResourceClicked(){
	trace("Clicked Existing Resource Button!");
}


























function funcAnchLi(theFunction,title){		//function Anchor Lists
	return $("<li><a href='javascript:" + theFunction + "'>" + title + "</a></li>");
}



uw.waitForKeyElements = function(selectorTxt, actionFunction, bWaitOnce, iframeSelector){
	waitForKeyElements(selectorTxt, actionFunction, bWaitOnce, iframeSelector);
}

/*--- waitForKeyElements():  A handy, utility function that
    does what it says.
*/
function waitForKeyElements (
    selectorTxt,    /* Required: The jQuery selector string that
                        specifies the desired element(s).
                    */
    actionFunction, /* Required: The code to run when elements are
                        found. It is passed a jNode to the matched
                        element.
                    */
    bWaitOnce,      /* Optional: If false, will continue to scan for
                        new elements even after the first match is
                        found.
                    */
    iframeSelector  /* Optional: If set, identifies the iframe to
                        search.
                    */
)
{
    var targetNodes, btargetsFound;

    if (typeof iframeSelector == "undefined")
        targetNodes     = $(selectorTxt);
    else
        targetNodes     = $(iframeSelector).contents ()
                                           .find (selectorTxt);

    if (targetNodes  &&  targetNodes.length > 0) {
        /*--- Found target node(s).  Go through each and act if they
            are new.
        */
        targetNodes.each ( function () {
            var jThis        = $(this);
            var alreadyFound = jThis.data ('alreadyFound')  ||  false;

            if (!alreadyFound) {
                //--- Call the payload function.
                actionFunction (jThis);
                jThis.data ('alreadyFound', true);
            }
        } );
        btargetsFound   = true;
    }
    else {
        btargetsFound   = false;
    }

    //--- Get the timer-control variable for this selector.
    var controlObj      = waitForKeyElements.controlObj  ||  {};
    var controlKey      = selectorTxt.replace (/[^\w]/g, "_");
    var timeControl     = controlObj [controlKey];

    //--- Now set or clear the timer as appropriate.
    if (btargetsFound  &&  bWaitOnce  &&  timeControl) {
        //--- The only condition where we need to clear the timer.
        clearInterval (timeControl);
        delete controlObj [controlKey]
    }
    else {
        //--- Set a timer, if needed.
        if ( ! timeControl) {
            timeControl = setInterval ( function () {
                    waitForKeyElements (    selectorTxt,
                                            actionFunction,
                                            bWaitOnce,
                                            iframeSelector
                                        );
                },
                200
            );
            controlObj [controlKey] = timeControl;
        }
    }
    waitForKeyElements.controlObj   = controlObj;
}